#!/usr/local/bin/ruby

#https://anond.hatelabo.jp/archive/200609
#https://anond.hatelabo.jp/archive/201708





url = "https://anond.hatelabo.jp/archive/2006"

(0..12).each do |n|
#  n.to_s
#  n = "0" + n.to_s if n =~ %r|[0-9]?|
  puts "ok" if n =~ /0/
  puts url + n.to_s
end